Kyaw Stainless stands out as a top-notch manufacturer and supplier located in Naypyidaw, Myanmar. They specialize in high-quality Stainless Steel 309 Fasteners, crafted to perform reliably even in high-temperature and corrosive settings. These fasteners are meticulously engineered and produced to meet international standards, guaranteeing exceptional durability, strength, and resistance to oxidation. Kyaw Stainless has built a reputation for its dedication to quality and innovation, delivering fastening solutions that uphold structural integrity under extreme heat and stress. Industries such as petrochemical, furnace manufacturing, power generation, and refineries trust Stainless Steel 309 Fasteners for their long-lasting performance.
These fasteners are made up of roughly 22–24% chromium, 12–15% nickel, along with trace amounts of carbon, manganese, and silicon, with iron making up the rest. This unique blend offers outstanding resistance to oxidation, scaling, and carburization at temperatures reaching up to 1000°C. They boast a tensile strength of about 515 MPa and a yield strength of around 205 MPa, along with good ductility and toughness. These mechanical properties make Stainless Steel 309 Fasteners perfect for challenging environments that demand both mechanical stability and corrosion resistance.
| Grade | Stainless Steel 309 Fasteners. |
| Standard | ASTM A193 / A194, ASME SA193 / SA194, IS, BS, ANSI |
| Size | M02 to M33 |
| Length | UPTO 5 METERS |
| Surface Coating | Hot Dipped Galvanizing 309 Stainless Steel Fasteners, Phosphate 309 Stainless Steel Fasteners, Teflon 309 Stainless Steel Fasteners, Ptfe Coated 309 Stainless Steel Fasteners, Xylon 309 Stainless Steel Fasteners, Zinc 309 Stainless Steel Fasteners, Cadmium 309 Stainless Steel Fasteners |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| Min. % | – | – | – | – | – | 18.0 | – | 8.0 | – |
| Max % | 0.08 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | – | 10.5 | 0.10 |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Rockwell B (HR B) max | Brinell (HB) max |
| 309 | 515 | 205 | 40 | 92 | 201 |
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High-temperature applications with excellent resistance to oxidation and scaling. Available in sizes from M6 to M30, they securely fasten components in harsh environments.
Come in sizes from M8 to M36 and have exceptional high-temperature resistance. They are ideal for heavy-duty industrial applications requiring robust mechanical strength and durability.
High-temperature and aggressive environments. Sizes typically range from M6 to M30, providing reliable performance and strength in demanding applications.
Excellent durability and heat resistance. They come in lengths up to 3 meters and diameters from M6 to M30, making them ideal for high-temperature and corrosive applications.
Designed for high-temperature environments with strong oxidation resistance. Available in sizes from M4 to M24, they ensure secure fastening and longevity in extreme conditions.
Provide reliable load distribution and reduced friction. They are available in sizes matching standard bolts and screws, typically ranging from M4 to M30, ensuring durability and a proper fit.
Stainless Steel 309 Fasteners are ideal for use in high-temperature and corrosive environments due to their excellent resistance to oxidation and corrosion. They are commonly used in industries such as petrochemical, power generation, and chemical processing, where they are employed in heat exchangers, boilers, exhaust systems, and gas turbines. These fasteners are also used in furnace components, industrial machinery, and food processing equipment. Their ability to withstand extreme temperatures and harsh conditions makes them essential for critical applications requiring durable, reliable fastening solutions in demanding environments.
You’ll find Stainless Steel 309 Fasteners widely used in furnaces, boilers, heat exchangers, and chemical processing plants. They’re particularly suited for securing components that face high heat, pressure, and corrosive gases. Their excellent weldability and machinability make installation and maintenance a breeze. Additionally, these fasteners are favored in marine, power, and oil & gas industries due to their impressive resistance to oxidation and high-temperature scaling. With remarkable durability, thermal stability, and corrosion resistance, Stainless Steel 309 Fasteners provide reliable connections and long-term performance in tough industrial conditions.







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